Baltimore/Washington Corridor Chamber of Commerce’s Business Tools Group Seminar: “Customer Service: Riches the Easy Way,” presented and sponsored by Joel Leifer, Action International Business Coaching. 8:15 a.m. to 9:30 a.m. at the chamber office in Laurel. Cost: $10 prepaid members; $20 for member at the door and nonmembers. www.baltwashchamber.org